Articles tagged with Tissue Damage
Researchers develop method to preserve donor hearts for more than 24 hours, a major improvement over current six-hour time window. The new approach uses normothermic ex-vivo heart perfusion and has shown strong improvements in extending the shelf-life of donor hearts.
A new study by VA researchers found biomarkers of intestinal permeability and signs of bacteria in the blood of military breachers exposed to controlled blasts during training. The findings suggest a direct connection between blast exposure and intestinal problems, including cognitive symptoms.
Two anti-inflammatory molecules, TGFβ1 and HpTGM, reduce the inflammatory response within the injured heart and scarring. Treatment with these proteins at the time of reperfusion reduces infarct size and mature scar size.
A new study from the University of Chicago analyzed DNA methylation in tissue samples from former smokers, finding evidence of the body's attempts to defend itself from tobacco smoke. The research team identified new regions associated with smoking and found that DNA methylation varies dramatically across cell types and tissue types.
Researchers at Leibniz-HKI deciphered the function of Candidalysin's unusual protein structure, which reduces pathogenicity and opens up new treatment options. Nanobodies neutralize the toxin, blocking its activity and inhibiting tissue damage.
A team of researchers from the Medical University of South Carolina has discovered a novel protective response by which the brain naturally repairs itself after traumatic brain injury. Protein p17 plays a crucial role in this process, triggering the restorative mechanism of mitophagy to remove damaged tissue and initiate healing.
A new study reveals that Agent Orange damages frontal lobe brain tissue in laboratory rats, causing molecular and biochemical abnormalities similar to early-stage Alzheimer's disease. This research has important implications for the long-term brain health of aging veterans and people exposed to biologically similar herbicides.
Researchers have created a hydrogel that can be used to heal damaged heart tissue and improve cancer treatments. The gel is made from cellulose nanocrystals derived from wood pulp and has a nanofibrous architecture that replicates the properties of human tissues.
Researchers develop nanofibrous matrices containing MXene nanoparticles to aid in muscle regeneration. The study reveals molecular mechanisms behind the effects of MXene nanoparticles on muscle growth, suggesting a promising avenue for treating volumetric muscle loss and muscle-related ailments.
A new study by Northwestern University found that lab-trained AI models are easily misled by tissue contaminants, resulting in errors in diagnoses and vessel damage detection. The researchers suggest improving the problem of quantifying and addressing biological impurities in AI models to enhance accuracy.
Researchers found that the complement system remains activated in Long Covid patients, causing cell damage and tissue destruction. This abnormal activity can lead to thromboinflammation and other symptoms of the condition.
Researchers from Osaka University have discovered a novel treatment strategy for cytokine storm, a serious inflammatory syndrome triggered by an infection or severe burn. The new approach involves blocking IL-6 receptor signaling with a short-term antibody, minimizing treatment side effects and preventing vascular damage.
Researchers at Fralin Biomedical Research Institute and Carilion Clinic found that preserving leg vein grafts in heparinized arterial blood, rather than saline, improves their health and viability. This discovery could lead to better outcomes for patients undergoing coronary artery bypass graft procedures.
Researchers discover antibody-dependent enhancement of toxicity (ADET), a phenomenon where antibodies can amplify venom's potency. The breakthrough contributes to expediting the development of a new generation of antivenom, potentially saving millions from snakebites yearly.
Researchers at the University of Chicago Pritzker School of Molecular Engineering have made a breakthrough in understanding the
A Brazilian study found that damage to small blood vessels in the lungs causes severe COVID-19. The researchers observed high prevalence of microscopic blood clots in lung endothelial cells, which led to organ damage and ischemic tissue injury.
A study published in Science Advances found that abnormal cell stress in the placenta's syncytiotrophoblast layer may lead to preeclampsia. Researchers also developed a mouse model to demonstrate the effects of this stress, showing similar signs of high blood pressure and kidney damage.
Researchers at Nagoya University have discovered a unique healing mechanism in newts that could aid humans in recovering faster from tendon injuries. By understanding how newts regenerate damaged tendons without scar tissue, scientists hope to develop more effective treatments for human athletes.
The University of Basel has successfully treated over 100 patients with focal lesions and two advanced cases of knee OA, reporting beneficial outcomes. The N-TEC procedure uses autologous cartilage cells to grow new cartilage grafts for repairing damaged joints, offering an alternative to knee joint replacements.
A new classification system for heart attacks based on heart muscle damage is released, offering a more differentiated definition and improving understanding of acute atherothrombotic MI. This system has the potential to stratify risk more accurately and lay the groundwork for development of injury-stage-specific therapies.
Researchers have developed soft implantable fibers that can deliver light to major nerves through the body, allowing for precise illumination of nerve pain. The fibers are flexible and stretch with the body, enabling scientists to study peripheral nerve disorders in animal models without constraining movement.
A new study from Aarhus University found that acute kidney injury causes significant cell death in kidneys, which then spreads to healthy tissue over several days. This finding may increase the risk of patients developing chronic kidney damage and highlights the need for timely intervention measures.
A new NIH grant will investigate the impact of combined alcohol and e-cigarette use on the blood brain barrier, a cell layer regulating substance passage into the central nervous system. The study aims to identify mechanisms behind damage and potential biomarkers for clinical use.
Researchers developed a DNA damage-induced senescence model in osteoarthritic chondrocytes, which reliably induces cellular senescence and accumulates senescent cells in OA joint tissues. The study provides a useful model to develop therapeutic approaches targeting senescence in osteoarthritis.
Research found alterations in proteins that can affect autophagy, a self-eating process of damaged cells. Healthy newborns showed individual responses to prenatal exposure to air pollution, with some more vulnerable than others. The study aims to understand the impact on breathing problems during infancy and childhood.
A phase I clinical trial shows that transplanting P63+ lung progenitor cells can repair damaged lung tissue in patients with chronic obstructive pulmonary disease (COPD), improving breathing and quality of life. The treatment increased lung function, reduced symptoms, and even repaired mild emphysema in some patients.
Researchers at UNIST developed a microfluidic system to process blood into artificial tissue scaffolds for vascular regeneration. Autologous blood-based implants demonstrated superior wound closure rates, increased epidermis thickness, and enhanced collagen deposition in rodent skin wounds.
Researchers developed a noninvasive technique to visualize and differentiate nerve tissue using multispectral photoacoustic imaging. The study revealed the optimal wavelengths for identifying nerve tissue, which could improve nerve detection and segmentation techniques.
A team of scientists studied the impact of radiation on DNA, revealing that damaged areas are separated by a critical distance before breaking. The study found an exponential increase in DNA breakage time with distance, providing crucial information for effective DNA repair processes.
Researchers from Anglia Ruskin University have successfully grown retinal pigment epithelial cells on a nanofibre scaffold treated with fluocinolone acetonide, showing increased resilience and growth. This breakthrough technology has great potential for developing ocular tissue transplantation to treat age-related macular degeneration.
Researchers have uncovered a novel mechanism of cell death regulation, shedding light on its significance during conditions such as SARS-CoV infection and skin injury. The study reveals that the cleavage of cFLIP restrains cell death during viral infection and tissue injury, favoring tissue repair.
Researchers have developed ultra-small and flexible probes that can record single-neuron activity deep within the brains of rats, eliminating the need for invasive surgery. The devices were implanted through blood vessels with no significant impact on brain function or behavior.
Researchers at Children's Hospital of Philadelphia found that NSAIDs exacerbate C. difficile infections by disrupting epithelial cell mitochondria, sensiting them to toxins. The study shows that NSAIDs and C. difficile toxins work synergistically to increase virulence, leading to increased disease severity and mortality.
Researchers at MUSC have identified a potential novel biomarker for sepsis, which can be predicted by the contents of extracellular vesicles in the bloodstream. This discovery could lead to more accurate diagnosis and personalized treatment strategies for sepsis patients.
Research at University of South Australia finds that concussions can lead to a significant increased risk of future injury, even after recovery. The study suggests longer recovery times may be needed for youth athletes suffering from head trauma.
Aneurysmal subarachnoid hemorrhage-related hydrocephalus is a complex syndrome that can lead to cognitive impairment and neurological damage. The new consensus guideline recommends standard-of-care approaches, including history review, head CT scans, and medications or surgical interventions to manage excessive intracranial pressure.
Two researchers will receive $1 million each for their five-year studies on new medication-based approaches to repair damaged aortas, as well as the effects of exercise on healing heart muscle and brain tissue after a heart attack or stroke. The American Heart Association's Merit Award supports innovative research with high impact.
A new study found that marathon running causes significant damage to extrinsic foot muscles, while intrinsic muscles are less affected. The research suggests that marathon runners can take steps to prevent injuries by prioritizing recovery and muscle fatigue management.
Researchers at Nanyang Technological University found that cells near wavy shaped wounds moved in a swirling manner, while those near straight wounds moved in straight lines. This discovery reveals that the swirling motion is crucial for gap-bridging and accelerates wound healing in wavy wounds.
Scientists have developed a new method to deliver genetic information to stem cells using nanoparticles coated with a specific polymer, enabling more efficient control over cellular differentiation. This innovation has the potential to improve the efficiency and effectiveness of regenerative medicine treatments.
A new high-speed two-photon microscope was developed with an unprecedented line scanning frequency of 400 kHz, achieving up to 10,000 frames per second. This allowed for precise observations of complex biological processes in living tissues, including calcium signal propagation and blood flow measurements.
A team of engineers at UC San Diego has developed a stretchable ultrasonic array capable of serial, non-invasive imaging of tissues up to 4cm below the skin surface. This technology offers several key applications in healthcare monitoring, including cancer detection and sports injury assessment.
Researchers found that applying ice to minor muscle damage in rats enhances muscle repair and reduces inflammation. The study used an animal model of mild injuries and showed that icing attenuates the recruitment of pro-inflammatory macrophages, preventing injury expansion. This contradicts previous findings on the negative effects of ...
Researchers at Tel Aviv University found that dedicated hyperbaric oxygen therapy is more effective in reducing pain and healing patients with fibromyalgia caused by traumatic brain injury. The treatment resulted in significant improvements in 2 out of 5 patients, including improved pain threshold tests and quality of life indicators.
A world-first study from the University of South Australia is providing valuable insights into how young people understand chronic pain, potentially helping thousands of sufferers to better manage their symptoms and long-term wellbeing. Researchers found that young people tend to make sense of chronic pain by explaining it as a softwar...
Researchers used a biomimetic model to study wound healing in burn and laceration wounds. Fibroblasts were found to clear away damaged tissue before depositing new material, but this process was slower in burn wounds due to more tissue damage. Therapies that promote wound clearance could accelerate healing.
Researchers at University of Technology Sydney have successfully created personalized 'bio-inks' from patients' own stem cells, which are then used to 3D-print cardiac tissues to repair areas of dead tissue. This technology shows promise in treating heart failure and may reduce the need for expensive and traumatic heart transplants.
Researchers at Hokkaido University used hydrogel materials in combination with neural stem cells to grow new brain tissue in areas of brain damage. The study showed that immune cells and blood vessels grew within the hydrogels, leading to some degree of integration between the hydrogel and host brain tissue.
A new neuroprotectant medication called ApTOLL has been shown to improve survival and reduce long-term disability among patients with stroke. The study found that ApTOLL, when used in conjunction with standard treatments, reduced death and brain damage, suggesting a promising new approach to treating stroke.
A large international clinical study found that patients with large strokes had significantly better recovery after endovascular thrombectomy plus medical management. The SELECT2 study showed almost 20% of patients who received thrombectomy regained functional independence, compared to 7% on medical treatment only.
Researchers discovered that bone marrow transplants can halt the development and progression of brain blood vessel disease in adults with sickle cell disease. The study found that receiving stem cell transplants led to positive changes in blood vessels, reducing the risk of stroke among patients with the condition.
Researchers found that patients treated with butylphthalide experienced milder neurological symptoms and better functioning at three months after a stroke compared to those who received a placebo. The study suggests potential benefits of this celery seed-derived medication in treating ischemic strokes.
A new biomaterial has been developed that can be injected intravenously to promote cell and tissue repair, reducing inflammation in damaged tissues. The material has shown promising results in treating heart attacks and traumatic brain injury in animal models.
Researchers found that abnormal methylation processes lead to disruption of gene expression essential for brain development in people with Williams syndrome. The study suggests targeting treatments to correct these disruptions.
Researchers at Imperial College London have designed a low-cost external fixator for broken bones, made from stainless steel and aluminium, which can be manufactured locally. The device has shown similar stiffness to commercial devices in cadaver leg bones and is being tested in Gaza, Sri Lanka, and Ukraine.
A team of researchers has developed an artificial tissue that repairs injuries and restores normal erectile function in a pig model. The artificial tunica albuginea (ATA) shows promise for repairing penile injuries in humans by mimicking the microstructure of natural tissues.
Scientists at Duke University have made a breakthrough in controlling gene expression in response to injury, using a segment of fish DNA called TREE. The method successfully targeted gene activity to specific regions and time windows, showing promise for regenerating damaged tissues in mammals.
Researchers at Karolinska Institutet have shown that B cells can prevent intestinal healing by increasing in numbers after bowel damage. The study found that mice lacking B cells recovered more quickly after bowel damage than regular mice.
Researchers used microCT to create a 3D atlas of lung lesions in TB and COVID-19, revealing complex shapes and hidden pathological structures. The study provides new insights into the microscopic anatomy of these deadly diseases.
The DiaQNOS project aims to develop quantum sensors for improved brain tumor surgery. Magnetic field sensors will refine neuronavigation, enabling more precise incision paths. Researchers from Mainz University and partners will create a device suitable for use in surgery.